808559Raspberry Pi RTC Expansion Module

The RTC module is specifically designed for Raspberry Pi. It communicated with Raspberry Pi through I2C bus. There is a Maxim DS1307 and CR1220 button cell on the board to keep the real time for a long time after the Raspberry Pi has its power down.

Dettagli

The RTC module is specifically designed for Raspberry Pi. It communicated with Raspberry Pi through I2C bus. There is a Maxim DS1307 and CR1220 button cell on the board to keep the real time for a long time after the Raspberry Pi has its power down. Set a serial port, TTL convenient way online debugging.

Features:

Use Maxim DS1307 chip

Extends CR1220 button cell backup

Can be operated by a shell

Set a serial port connector

Programmable square-wave output signal

Consumes Less than 500nA in Battery-Backup Mode

Automatic Power-Fail Detect and Switch Circuitry

Programmable Square-Wave Output Signal

Port：

Raspberry Pi B module 2X13 connection port

Raspberry Pi A+/B+/2 module 2X13 connection port

2*5pin 2.54mm connector

Product Parameters：

Accuracy ±2ppm from 0°C to +40°C

Work voltage 5V

Battery Backup Input for Continuous Time keeping

Real-Time Clock Counts Seconds, Minutes,Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100